CN212269552U - Magnetic medium precipitation separator - Google Patents
Magnetic medium precipitation separator Download PDFInfo
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- CN212269552U CN212269552U CN202020594914.6U CN202020594914U CN212269552U CN 212269552 U CN212269552 U CN 212269552U CN 202020594914 U CN202020594914 U CN 202020594914U CN 212269552 U CN212269552 U CN 212269552U
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Abstract
The utility model relates to the technical field of sewage treatment, in particular to a magnetic medium precipitation separator, which comprises a frame, a driving device and a magnetic roller; the frame comprises a box body and a trough plate, wherein a feeding channel is arranged on one side of the box body, a discharging channel is arranged on the other side of the box body, and a sludge discharging channel is arranged at the bottom of the box body; the trough plate is positioned in the box body and is arranged in a U shape, the first end part of the trough plate is connected with the side wall close to the feeding channel in the box body, and a gap is reserved between the second end part and the other opposite side wall of the box body so that sludge can enter the sludge discharge channel through the gap; the magnetic roller is rotatably arranged on the frame and is positioned above the groove plate; combine together through frid and box, play the in-process of intaking at the recovery magnetism kind and increase circulation length to increase dwell time, reach the requirement that fully adsorbs the recovery magnetism kind, make the throughput of this product also improve greatly, solved magnetism kind recycle rate low, the unstable problem of operation.
Description
Technical Field
The utility model relates to a sewage treatment device field especially relates to a magnetic medium deposits separating centrifuge.
Background
With the improvement of the national discharge standard of sewage treatment plants, the upgrading and reconstruction of large-scale sewage treatment plants are in progress, and the quality of effluent is improved to the first grade A standard or higher surface water standard of pollutant discharge standard of urban sewage treatment plants. In order to ensure that the concentration of suspended solids, the total phosphorus concentration and the concentration of organic matters of hydrocolloid discharged from a sewage treatment plant meet the discharge requirement, the magnetic coagulation technology is used as a novel sewage treatment process and is widely applied to sewage treatment.
The magnetic medium precipitation technology is characterized in that magnetic particles are added to serve as magnetic seeds on the basis of a coagulation precipitation technology, the magnetic seeds are wrapped by flocculating constituents in the coagulation process and precipitated in a precipitation tank together with the flocculating constituents, and the magnetic seeds increase the weight of the flocculating constituents, so that the purpose of rapid precipitation is achieved. Compared with the common flocculation precipitation technology, the hydraulic retention time of the clarification tank is reduced.
However, the research on the magnetic medium precipitation technology for sewage treatment is early and is only applied in recent years, and one important reason is that the recovery rate of magnetic species is low and the operation is unstable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magnetic medium deposits separating centrifuge, the magnetic medium who has solved among the prior art deposits separating centrifuge and hangs down to the recycle rate of magnetism kind, moves unstable technical problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the application provides a magnetic medium precipitation separator, which comprises a rack, a driving device and a magnetic roller;
the machine frame comprises a box body and a trough plate, wherein a feeding channel is arranged on one side of the box body, a discharging channel is arranged on the other side of the box body, and a sludge discharging channel is arranged at the bottom of the box body;
the trough plate is positioned in the box body, the trough plate is U-shaped, the first end part of the trough plate is connected with the side wall, close to the feeding channel, in the box body, and a gap is reserved between the second end part of the trough plate and the other opposite side wall of the box body, so that sludge can enter the sludge discharge channel through the gap;
the magnetic roller is rotatably arranged on the frame and is positioned above the groove plate;
the driving device is connected with the magnetic roller and used for driving the magnetic roller to rotate.
Furthermore, the inlet end of the discharge channel extends into the box body and is positioned above the second end part of the trough plate, and the inlet end of the discharge channel is over against the magnetic roller.
Furthermore, the magnetic strength of the magnetic roller is more than 5000GS, and the magnetic field depth of the magnetic roller is 10-20 cm.
Further, the magnetic roller comprises a dead shaft, a roller and a plurality of magnets; the static shaft is rotatably arranged on the box body through a bearing, the magnets are fixed on the periphery of the static shaft, the magnets are uniformly distributed into a cylindrical shape according to a preset magnetic loop, the magnetic roller is sequentially divided into a sorting area, a conveying area and a discharging area in the circumferential direction, the magnetic flux of the sorting area is greater than that of the conveying area, and the magnetic flux of the conveying area is greater than that of the discharging area;
the roller is rotatably sleeved on the outer side of the dead shaft and is connected with the driving device.
Further, the total magnetic wrap angle of the magnetic roller is 270 °.
Further, the radian of the groove plate is matched with that of the roller.
Further, the roller is formed by rolling up a stainless steel plate with the thickness of 3-5mm, two ports of the roller are connected through flanges, and the flanges are connected with the static shaft through bearings.
Furthermore, a scraper is arranged at the inlet end of the discharging channel and used for separating the materials in the discharging area into the discharging channel.
Further, the driving device comprises a speed reducer, a driving wheel, a driven wheel, a tension wheel and a chain, the driving wheel is connected with an output shaft of the speed reducer, the driven wheel is connected with the connecting end of the flange on the roller, the driving wheel is connected with the driven wheel through the chain, and the tension wheel is detachably connected with the box body to tension the chain.
Further, still include adjusting device, adjusting device includes accommodate the lead screw and rotary rod, accommodate the lead screw's one end is passed through fixation nut with the frame and is connected, accommodate the lead screw's the other end with the one end of rotary rod is rotated and is connected, the other end of rotary rod with dead axle fixed connection drives through rotatory accommodate the lead screw the rotary rod rotates, and then adjusts the rotation angle of dead axle in order to adjust the magnetism system angle.
Adopt above-mentioned technical scheme, the utility model provides a magnetic medium deposits separating centrifuge, beneficial effect lies in:
the trough plate is positioned in the box body, the trough plate is U-shaped, the first end part of the trough plate is connected with the side wall close to the feeding channel in the box body, and a gap is reserved between the second end part of the trough plate and the other opposite side wall of the box body so that sludge can enter the sludge discharge channel through the gap;
through the combination of the groove plate and the box body, the circulation length of the inlet water is increased in the process of recovering the magnetic seeds, so that the retention time is increased, and the requirement of fully adsorbing and recovering the magnetic seeds is met. This application technical scheme structurally sets up the frid into the U-shaped, has carried out optimal design to be with the magnetic system cornerite phase-match of magnetism roller, thereby improve the liquid level, the extension is retrieved and is taken length, slows down sewage velocity of flow, adapts to the undulant change that sewage flows, makes mud have sufficient time and space in the frid and retrieves, and then is favorable to the magnetism kind to be retrieved. Because the magnetic seeds adsorbed on the surface of the magnetic roller have long running distance under the liquid level, the method is favorable for throwing out the mixed sludge and improves the recovery precision of the materials. The groove body range matched with the magnetic system recovery area is a main working area for magnetic seed recovery, and the working area is large enough so that sewage can smoothly pass through without backflow, the treatment capacity of the product is greatly improved, and the problems of low magnetic seed recovery utilization rate and unstable operation are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a magnetic medium precipitation separator according to an embodiment of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic structural view of a frame;
FIG. 4 is a schematic view of a structure of a magnet roller;
FIG. 5 is a schematic view of the magnetic flux zoning of the magnet roll;
FIG. 6 is a schematic structural diagram of a driving device;
fig. 7 is a schematic structural diagram of the adjusting device.
In the figure: 10. a frame; 11. a box body; 12. a groove plate; 121. a first end portion; 122. a second end portion; 13. a feed channel; 14. a discharge passage; 15. a sludge discharge channel; 16. a squeegee; 20. a drive device; 21. a speed reducer; 22. a driving wheel; 23. a driven wheel; 24. a tension wheel; 25. a chain; 30. a magnetic roller; 31. a dead axle; 32. a drum; 33. a magnet; 34. sorting the areas; 35. a delivery zone; 36. a discharge area; 37. a flange; 40. an adjustment device; 41. adjusting the screw rod; 42. rotating the rod; 43. and (5) fixing the nut.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, 2 and 3, the present application provides a magnetic media precipitation separator including a frame 10, a driving device 20 and a magnetic roller 30;
the rack 10 comprises a box body 11 and a trough plate 12, wherein a feeding channel 13 is arranged on one side of the box body 11 and used for inputting materials, a discharging channel 14 is arranged on the other side of the box body 11 and used for recovering magnetic seeds, and a sludge discharging channel 15 is arranged at the bottom of the box body 11;
the trough plate 12 is positioned inside the box body 11, the trough plate 12 is in a U shape, two ends of the U-shaped trough plate 12 are respectively provided with a first end part 121 and a second end part 122, the first end part 121 of the trough plate 12 is connected with the side wall, close to the feeding channel 13, in the box body 11, a gap is reserved between the second end part 122 of the trough plate 12 and the other opposite side wall of the box body 11, so that sludge can enter the sludge discharge channel 15 through the gap;
the magnetic roller 30 is rotatably installed on the frame 10, and the magnetic roller 30 is positioned above the slot plate 12;
the driving device 20 is connected with the magnetic roller 30 and is used for driving the magnetic roller 30 to rotate.
Referring to fig. 3, in the technical solution, the trough plate 12 is located inside the tank 11, the trough plate 12 is configured in a U shape, a first end 121 of the trough plate 12 is connected to a side wall of the tank 11 close to the feeding channel 13, and a gap is reserved between a second end 122 of the trough plate 12 and another opposite side wall of the tank 11, so that sludge can enter the sludge discharge channel 15 through the gap; through the combination of the groove plate 12 and the box body 11, the flowing length of the inlet water is increased in the process of recovering the magnetic seeds, so that the retention time is increased, and the requirement of fully adsorbing and recovering the magnetic seeds is met. This application technical scheme structurally sets up frid 12 into the U-shaped, has carried out optimal design to be with magnetic roll 30's magnetism system cornerite phase-match, thereby improve the liquid level, the extension is retrieved and is taken length, slows down sewage velocity of flow, adapts to the undulant change of sewage flow, makes mud have sufficient time and space in frid 12 and retrieve, and then is favorable to the magnetism kind to be retrieved. Because the magnetic seeds adsorbed on the surface of the magnetic roller 30 have long running distance under the liquid surface, the method is favorable for throwing out the mixed sludge and improves the recovery precision of the materials. The groove body range matched with the magnetic system recovery area is a main working area for magnetic seed recovery, and the working area is large enough so that sewage can smoothly pass through without backflow, the treatment capacity of the product is greatly improved, and the problems of low magnetic seed recovery utilization rate and unstable operation are solved.
Preferably, the inlet end of the discharge passage 14 extends into the interior of the housing 11 and is located above the second end 122 of the slot plate 12, and the inlet end of the discharge passage 14 faces the magnetic roller 30 to facilitate recovery of the magnetic species.
The magnetic roller 30 belongs to the core component of the device, plays a decisive role in magnetic seed recovery, and the design and manufacturing rationality of the magnetic roller 30 can be said to determine the magnitude of the magnetic seed recovery rate. Referring to fig. 4 and 5, the magnetic roller 30 according to the embodiment of the present invention includes a stationary shaft 31, a drum 32, and a plurality of magnets 33; the fixed shaft 31 is rotatably arranged on the box body 11 through a bearing, the plurality of magnets 33 are fixed on the peripheral side of the fixed shaft 31, the plurality of magnets 33 are uniformly arranged into a cylindrical shape according to a preset magnetic circuit, so that the magnetic roller 30 is sequentially divided into a sorting area 34, a conveying area 35 and a discharging area 36 according to the circumferential direction, the magnetic flux of the sorting area 34 is greater than that of the conveying area 35, and the magnetic flux of the conveying area 35 is greater than that of the discharging area 36; the roller 32 is rotatably sleeved outside the dead axle 31, and the roller 32 is connected with the driving device 20.
Preferably, the plurality of magnets 33 are composed of a plurality of magnetic steel with magnetic block type, the magnetic steel is made of neodymium iron boron, the strength of the magnetic steel is between 500-800MT, magnetic loops mounted and designed on the magnetic steel are uniformly distributed into a cylindrical shape, so that strong magnetic flux is formed, the magnetic roller 30 is designed into a large magnetic wrap angle, the total magnetic wrap angle is 270 degrees, the magnetic roller has high field strength, the overall magnetic strength of the magnetic roller 30 after assembly is over 5000GS, and the magnetic field depth is 10-20 cm.
Preferably, the drum 32 is formed by rolling up a stainless steel plate with a thickness of 3-5mm, two ports of the drum 32 are connected through a flange 37, and the flange 37 is connected with the stationary shaft 31 through a bearing. After assembly, the drum 32 can rotate freely with the stationary shaft 31 fixed.
After the whole magnetic roller 30 is assembled, the sorting area 34, the conveying area 35 and the discharging area 36 in the circumferential direction of the magnetic roller 30 are realized by changing the magnetic flux of the magnetic blocks, wherein the magnetic flux of the sorting area 34 is the largest, the magnetic flux of the conveying area 35 is the second, and the discharging area 36 has no magnetic flux. In the operation state, the material with magnetic seeds and sludge enters the sorting area 34, the sorting area 34 selects the magnetic seeds with magnetism, the magnetic seeds enter the conveying area 35 along with the rotation of the roller 32, after entering the discharging area 36, the magnetic seeds lose the attraction of the magnetic blocks, and are recovered to the discharging channel 14 by the external force of the scraper 16 and washing water due to gravity, and the non-selected non-magnetic substance (sludge) enters the sludge discharging channel 15.
Referring to fig. 3, the scraper 16 is preferably connected to the inlet end of the discharge channel so that the material in the discharge area 36 can be separated into the discharge channel 14.
Preferably, the curvature of the trough plate 12 is matched with the curvature of the roller 32 so as to match the wrap angle of the magnetic system of the magnetic roller 30, thereby improving the liquid level, prolonging the length of the recovery belt, slowing down the flow speed of sewage and improving the recovery efficiency of magnetic seeds.
Referring to fig. 1, 2 and 6, a driving device 20 in the embodiment of the present application includes a speed reducer 21, a driving wheel 22, a driven wheel 23, a tension wheel 24 and a chain 25, the speed reducer 21 mainly provides an apparatus operation power, the speed reducer 21 is driven by a gear, the highest rotation speed is generally controlled to be 30-40r/min, a variable frequency speed regulating motor may be used under a special working condition, the driving wheel 22 is connected with an output shaft of the speed reducer 21, the driven wheel 23 is connected with a connecting end of a flange 37 on a roller 32, the driving wheel 22 is connected with the driven wheel 23 by the chain 25, the tension wheel 24 is detachably connected with a box 11 to tension the chain 25, and the roller 32 is driven to rotate by the. The driving device 20 in this embodiment has the advantages of low noise, high safety factor, and the like, compared with a conventional gear transmission mode.
Considering that the angle of the magnetic system results in that the angles of the 3 regions of the magnetic roller 30, namely the sorting region 34, the conveying region 35 and the discharging region 36, cannot meet the use requirement at one time, an adjusting device 40 is designed for the magnetic system of the magnetic roller 30.
Referring to fig. 1, 2 and 7, preferably, the adjusting device 40 includes an adjusting screw 41 and a rotating rod 42, one end of the adjusting screw 41 is connected to the frame 10 through a fixing nut 43, the other end of the adjusting screw 41 is rotatably connected to one end of the rotating rod 42, the other end of the rotating rod 42 is fixedly connected to the stationary shaft 31, the rotating rod 42 is driven to rotate by rotating the adjusting screw 41, and the rotating angle of the stationary shaft 31 is further adjusted to adjust the angle of the magnetic system, and the adjusting device 40 has the advantages of fine adjustment, wide range and the like.
Compared with the conventional water inlet method, the novel design is made on the tank body, water is immediately discharged, the U-shaped tank body is additionally arranged, water flows along the path of the U-shaped tank, the tank body depth is increased, the overflowing time of materials is increased, the effect of high recovery rate is achieved, meanwhile, the magnetic roller 30 is optimized in magnetic system angle, the large magnetic wrap angle and the high magnetic system arrangement are adopted, water inlet is optimized, the excellent separation effect is achieved, and the magnetic recovery rate reaches 99.5%.
The application provides a magnetic medium deposits separating centrifuge, provides the optimal scheme of magnetism system and magnetism angle, solves the problem that the magnetic medium deposits separating centrifuge recovery rate on the market at present can not reach the expectant effect to have the recovery rate height, equipment operation is simple and easy, the maintenance cost is low, can operate under the state of not guardianship uninterruptedly in succession.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. A magnetic medium precipitation separator is characterized by comprising a frame, a driving device and a magnetic roller;
the machine frame comprises a box body and a trough plate, wherein a feeding channel is arranged on one side of the box body, a discharging channel is arranged on the other side of the box body, and a sludge discharging channel is arranged at the bottom of the box body;
the trough plate is positioned in the box body, the trough plate is U-shaped, the first end part of the trough plate is connected with the side wall, close to the feeding channel, in the box body, and a gap is reserved between the second end part of the trough plate and the other opposite side wall of the box body, so that sludge can enter the sludge discharge channel through the gap;
the magnetic roller is rotatably arranged on the frame and is positioned above the groove plate;
the driving device is connected with the magnetic roller and used for driving the magnetic roller to rotate.
2. The magnetic media precipitation separator according to claim 1, wherein: the inlet end of the discharging channel extends into the box body and is positioned above the second end part of the trough plate, and the inlet end of the discharging channel is over against the magnetic roller.
3. The magnetic media precipitation separator according to claim 1, wherein: the magnetic strength of the magnetic roller is more than 5000GS, and the magnetic field depth of the magnetic roller is 10-20 cm.
4. The magnetic media precipitation separator according to claim 1, wherein: the magnetic roller comprises a static shaft, a roller and a plurality of magnets; the static shaft is rotatably arranged on the box body through a bearing, the magnets are fixed on the periphery of the static shaft, the magnets are uniformly distributed into a cylindrical shape according to a preset magnetic loop, the magnetic roller is sequentially divided into a sorting area, a conveying area and a discharging area in the circumferential direction, the magnetic flux of the sorting area is greater than that of the conveying area, and the magnetic flux of the conveying area is greater than that of the discharging area;
the roller is rotatably sleeved on the outer side of the dead shaft and is connected with the driving device.
5. The magnetic media precipitation separator according to claim 4, wherein: the total magnetic wrap angle of the magnetic roller is 270 degrees.
6. The magnetic media precipitation separator according to claim 4, wherein: the radian of the groove plate is matched with that of the roller.
7. The magnetic media precipitation separator according to claim 4, wherein: the roller is formed by rolling up a stainless steel plate with the thickness of 3-5mm, two ports of the roller are connected through flanges, and the flanges are connected with the dead shaft through bearings.
8. The magnetic media precipitation separator according to claim 4, wherein: and a scraper plate is arranged at the inlet end of the discharging channel and used for separating the materials in the discharging area into the discharging channel.
9. The magnetic media precipitation separator according to claim 7, wherein: the driving device comprises a speed reducer, a driving wheel, a driven wheel, a tension wheel and a chain, the driving wheel is connected with an output shaft of the speed reducer, the driven wheel is connected with a connecting end of the flange on the roller, the driving wheel is connected with the driven wheel through the chain, and the tension wheel is detachably connected with the box body to tension the chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020594914.6U CN212269552U (en) | 2020-04-20 | 2020-04-20 | Magnetic medium precipitation separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020594914.6U CN212269552U (en) | 2020-04-20 | 2020-04-20 | Magnetic medium precipitation separator |
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| CN212269552U true CN212269552U (en) | 2021-01-01 |
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| CN202020594914.6U Active CN212269552U (en) | 2020-04-20 | 2020-04-20 | Magnetic medium precipitation separator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111333159A (en) * | 2020-04-20 | 2020-06-26 | 北京沃尔德斯水务科技有限公司 | Magnetic medium precipitation separator |
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2020
- 2020-04-20 CN CN202020594914.6U patent/CN212269552U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111333159A (en) * | 2020-04-20 | 2020-06-26 | 北京沃尔德斯水务科技有限公司 | Magnetic medium precipitation separator |
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